Major Gregory “Greg” Ahlemann serves as Commander of the Operational Support Division for the Loudoun County Sheriff's Office (LCSO) and joined the LCSO in 1996.
He previously served in a wide range of positions, including Major of Field Operations; Captain and Station Commander for the LCSO’s Western Loudoun Station and Eastern Loudoun Station; as a 1st Lieutenant in Field Operations; and as a deputy in patrol and motors. He left the LCSO in 2007 to work for the Shenandoah County (VA) Sheriff’s Office, then returned in 2012.
Major Ahlemann is a graduate of the FBI National Academy and attended the Professional Executive Leadership School (PELS), Supervisor Leadership Institute, Command Leadership Institute, and Executive Leadership Institute. He received the FBI-LEEDA Leadership Trilogy Award and attended Liberty University.